* Added ItemAt() method that accepts column and row.

git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@40154 a95241bf-73f2-0310-859d-f6bbb57e9c96

headers/os/interface/GridLayout.h

@@ -1,10 +1,11 @@
 /*
- * Copyright 2006-2010, Haiku, Inc. All rights reserved.
+ * Copyright 2006-2011, Haiku, Inc. All rights reserved.
  * Distributed under the terms of the MIT License.
  */
 #ifndef	_GRID_LAYOUT_H
 #define	_GRID_LAYOUT_H
 
+
 #include <TwoDimensionalLayout.h>
 
 
@@ -44,6 +45,8 @@ public:
 			float				MaxRowHeight(int32 row) const;
 			void				SetMaxRowHeight(int32 row, float height);
 
+			BLayoutItem*		ItemAt(int32 column, int32 row) const;
+
 	virtual	BLayoutItem*		AddView(BView* child);
 	virtual	BLayoutItem*		AddView(int32 index, BView* child);
 	virtual	BLayoutItem*		AddView(BView* child, int32 column, int32 row,
@@ -105,4 +108,5 @@ private:
 			int32				fMultiRowItems;
 };
 
+
 #endif	// _GRID_LAYOUT_H

src/kits/interface/GridLayout.cpp

@@ -1,5 +1,5 @@
 /*
- * Copyright 2010, Haiku Inc.
+ * Copyright 2010-2011, Haiku Inc.
  * Copyright 2006, Ingo Weinhold <[email protected]>.
  * All rights reserved. Distributed under the terms of the MIT License.
  */
@@ -372,6 +372,17 @@ BGridLayout::SetMaxRowHeight(int32 row, float height)
 }
 
 
+BLayoutItem*
+BGridLayout::ItemAt(int32 column, int32 row) const
+{
+	if (column < 0 || column >= CountColumns()
+		|| row < 0 || row >= CountRows())
+		return NULL;
+
+	return fGrid[column][row];
+}
+
+
 BLayoutItem*
 BGridLayout::AddView(BView* child)
 {